Hacksaw.



No. 776,602. PATENTED DEC. 6, 1904. W. E. LAWRENCE.

HAGKSAW.

APPLICATION FILED DEC 2. 1903.

N0 MODEL.

ITIIESSE mum/e W WilhamELaw'ence I A rromvzrs No. 776,602. Patented December 6, 1904:.

UNITED STATES PATENT OEEicE.

WILLIAM E. LAWRENCE, OF BROOKLYN, NEW YORK, ASSIGNOR TO THE OOZER MANUFACTURING COMPANY, OF JERSEY CITY, NEW JERSEY, A CORPORATION OF NEW JERSEY.

HACKSAW.

SPECIFICATION forming part of Letters Patent No. 776,602, dated December 6, 1904.

Application filed December 2, 1903. Serial No. 183,426. No model.)

To whom 7715 may (m/067%! intervals and through which is passed a pivot Beit known that I, IV ILLIAM E. LAWRENCE, screw, pin, or bolt 6, and by means of this a citizen of the United States, residing at construction the length of the saw-frame may 5 Brooklyn, in the county of Kings and State be adjusted longitudinally, as will be readily of New York, have invented certain new and understood, and mounted on the frame memuseful Improvements in Hacksaws, of which her a is a link-shaped or other keeper f, the following is a specification, such as will which is adapted to be moved so as to inclose enable those skilled in the art to which it apthe parts a and 6 of the members a and b of 55 pertains to make and use the same. the frame, and this keeper is designed to hold to This invention relates to hacksaws; and said members in operative position, as shown the object thereof is to provide improved in Fig. 1. frames or holders for saws of this class, where- In practice the saw 0 is connected with the by the saw may be more conveniently conframe members a and b, as shown at 57, this 60 neeted with the frame or holder and also be connection being made in the construction 5 held taut at all times. shown by means of a screw 9", a washer g", The invention is fully disclosed in the foland a nut 9*; but this connection may be made lowing specification, of which the accompanyin any desired manner. ing drawings forms a part, in which the sep- The frame member 6 is free to turn on its 5 v arate parts of my improvement are designated pivotal connection with the frame member (t, as by suitable reference characters in each of the indicated in dotted lines in Fig. 2, and in pracviews, and in whichti'ce the keeper f is moved so that it will not Figure 1 is a side view of a hacksaw made engage the part 1/ of the frame member 7), according to my invention; Fig. 2, a similar and said frame member Z) is turned into the 7 view showing the parts in a different position; position shown in Fig. 2, or approximately so. 5 Fig. 3, a plan view of the device as shown in The saw 0 is then connected with the frame Fig. 1, and Fig. 4 a sectional view of a detail members a and b, after which the frame memof the construction. her I) is swung into the position shown in Fig.

In the practice of my invention as shown 1 and locked in said position by the keeper. 75 in the drawings I provide a hacksaw-frame This operation holds the saw a taut, and it 3 composed of two similar members a and 7), will be apparent that themounting of the saw each of which is substantially L-shaped in in the frame or the securing of said saw in form, said members (0 and 6 being provided said frame in the manner described may be with a member a and 6 respectively, which repeated whenever necessary in order to are substantially at right angles to the main tighten the saw, and it will also be apparent parts of said members, with which the saw 0 that a new saw may be substituted for an old is connected. Connected with one of the one whenever desired. members a and 6, preferably the member a, It is a well-known fact that saws of this as shown in the drawings, is a handle 0 and class are' made of spring material and very 5 this connection is preferably made as shown fine and are liable to bend and twist; but by 4 in the drawings, but may be made in any demy improvementl provide means whereby the sired manner, and, as shown in the drawings, ends of the saw may be secured and the saw the handle 0 is provided with a shank c tightened or made taut, and thus prevent, at which is connected with the member a of the least to an extent, the twisting or bending of 9 frame by a screw 0, provided with a nut 0". the saw, and by providing a frame which is The part a? of the frame member a and the adjustable longitudinally I also am enabled to part 6* of the frame member 7) are provided use a longer or a shorter saw, as may be de- With holes (Z, which are arranged at regular sired.

Having fully described my invention, what 1 claim as new, and desire to secure byLettez-s Patent, is

A hacksaw-frame composed of two members which are substantially L-shaped in form, parts thereof being parallel with the saw-blade when the latter is in position, said parts being also provided at intervals with holes, a pivot pin or screw adapted to be passed through said holes, a keeper mounted on one of said parts and adapted to engage and hold the other, and a handle connected to one of said members, the connection of the separate members being such that the free ends thereof may approach each other, substantially as shown and described.

In testimony that I claim the foregoing as my invention I have signed my name, in presence of the subscribing witnesses, this 30th day of November, 1903.

\VlLLIAM E. LAl/VRENCE.

\Vitnesses:

F. A. STEWART, G. J. KLEIN. 

